static unsigned int ustar_header_chksum(const struct ustar_header *header)
{
- char *p = (char *)header;
+ const unsigned char *p = (const unsigned char *)header;
unsigned int chksum = 0;
- while (p < header->chksum)
+ while (p < (const unsigned char *)header->chksum)
chksum += *p++;
chksum += sizeof(header->chksum) * ' ';
p += sizeof(header->chksum);
- while (p < (char *)header + sizeof(struct ustar_header))
+ while (p < (const unsigned char *)header + sizeof(struct ustar_header))
chksum += *p++;
return chksum;
}